- Effective
- January 3, 1989
- Published
- December 1, 1988
- Issued
- November 22, 1988
- Model
- PA-46-310P
- Data sheet
- TCDSA25SO
- Registered aircraft
- 216 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-6087
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed November 21, 2025.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | 6626502f…a1f3783 | FAA DRS (API key needed) |
On this page
The airworthiness directive
88-25-08 PIPER: Amendment 39-6087. Applies to Model PA-46-310P (all serial numbers) airplanes certificated in any category.
Compliance: Required within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished.
To prevent possible catastrophic engine failure accomplish the following:
(a) Modify the engine cooling system in accordance with Piper Service Bulletin 892, dated August 24, 1988.
(b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
(c) An equivalent means of compliance with this AD, if used, must be approved by the Manager, Atlanta Aircraft Certification Office, ACE-115A, Federal Aviation Administration, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia 30349.
This amendment (39-6087, AD 88-25-08) becomes effective on January 3, 1989.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 216
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1983 | 5 |
|---|---|
| 1984 | 44 |
| 1985 | 46 |
| 1986 | 47 |
| 1987 | 25 |
| 1988 | 18 |
31 with no year recorded